seismic behaviour of mud brick structures · 1/3 population live in mud brick structures...
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Seismic Behaviour of Mud Brick Structures
Third Year Research Project
Joseph Hardwick & Jonathan Little (3rd Year MEng Undergraduates)
Supervisor: Dr. Adam Crewe (University of Bristol)
Industry Mentor: Dr. Paul Jaquin (Ramboll)
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Date back to 8000BC
Mud Brick Structures
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Date back to 8000BC
1/3 World’s population live in earth brick structures
Distribution of earth structures follows seismic zones
Mud Brick Structures
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Distribution of Earth Structures
Distribution of Seismic Zones
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Distribution of Earth Structures
Distribution of Seismic Zones
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Date back to 8000BC
1/3 Population live in mud brick structures
Distribution of earth structures follows seismic zones
Green technology
Mud Brick Structures
Earthquake Fatalities Adobe Buildings Collapsed People Displaced
El Salvador, 2001 1,100 150,000 1,600,000
Peru, 2001 81 25,000 36,000
Bam, 2003 26,000 85% 60,000
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Current guidelines:•Current guidelines (e.g. Minke 2000) propose that masonry design guidelines can be adapted for earth buildings (Jaquin2010)•Based on little experimental evidence
Compare mud bricks with traditional clay fired bricks under seismic conditions.
Produce preliminary guidelines from results.
Project Objectives
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ProgressMaterial properties
Compression tests
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ProgressMaterial properties
Compression tests
GSA finite element analysis
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ProgressGSA
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ProgressMaterial properties
Compression tests
GSA finite element analysis
Shaking table tests•¼ scale model
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MethodsWall construction
Base
Bricks
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Fired Brick Wall
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Fired Brick Wall
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Fired Brick Wall
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MethodsWall construction
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ProgressShrinkage
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MethodsWall construction
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ProgressShaking table tests
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ProgressData Analysis
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From Small Steps to Giant LeapsBetter Guidelines
Better advice for field workers for future construction and disaster relief
Lives saved through safer construction
Improved safety – Improved Quality of Life?
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Thank You
Any Questions?